var nan=document.querySelector(".nan")

nan.addEventListener("click",function(){
	this.style.backgroundColor = "#ff8c21";
	setTimeout(function(){ 
		window.location.href="src/indexs.html";
	}, 600);

});
var nv=document.querySelector(".nv")

nv.addEventListener("click",function(){
	this.style.backgroundColor = "#ff8c21";
	setTimeout(function(){ 
		window.location.href="src/indexs.html";
	}, 600);

});